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FLOSS Weekly Episode 880: The Two Wolves

This week Jonathan chats with Benjamin Samuels of Trail of Bits! The conversation focuses on Patch the Planet, a new initiative to help Open Source projects deal with the fallout …read more

“I’m Not Dead Yet!” Reverse Polish Notation Calculators You Can Still Buy

If you used a scientific calculator in the 1970s or 1980s, there was a fair chance that it worked differently from almost every calculator you see today. Instead of typing: …read more

Hackaday Europe 2026: Playstation 4 To Psychometer

There are many ways to detect stress in an individual. You can use self-reporting checklists, you could try and measure various vital signs like respiratory rate and pulse and infer …read more

PETG: The PLA Filament Alternative That Just Works

A typical response to the previous article on why PLA filament is so darn brittle. This has led some people to not use PLA filament at all, while others promote …read more

Defeating Bacteria In Hot Water Systems With A Heat Exchanger

The average hot water is a relatively simple appliance to understand. It uses gas or electricity to dump energy into water in the form of heat, keeping it at a …read more

From The Blog

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  • Free Your Rotary Telephone From Its Wire

    2 Comments

    By Jenny List | September 5, 2026

    It’s said that a teenager given a rotary telephone in 2026 would be mystified by its operation, yet there are enough surviving instruments for them to be an attractive target …read more

  • COSMAC Elf Turns 50

    8 Comments

    By Al Williams | September 4, 2026

    If you were interested in computers in the early 1970s, you struggled to get time on real computers since owning your own was all but impossible. In the middle of …read more

  • Parchment Paper Paired With 3D-Printed Grid Gives A Nice Glow

    3 Comments

    By Donald Papp | September 4, 2026

    This custom enclosure for a 64×64 RGB LED matrix by [Davisan1001] not only provides a mount point for a Raspberry Pi, but presents a clean and smooth face with square …read more

  • Fixing An Expensive Seagate LaCie Hard Drive Array

    5 Comments

    By Maya Posch | September 4, 2026

    After the [Slow Mo Guys] acquired a 168 TB Seagate LaCie Thunderbolt 3-based RAID storage system back in 2019 to store their video footage, they were obviously slightly miffed when …read more

  • Making A Pole Balance Itself With Propellers

    9 Comments

    By Maya Posch | September 4, 2026

    A fun trick with a pole is to try to balance it so that it can stand on one end. This can be done in a few ways, such as …read more

  • Repairing Traces On A Delidded Pentium III CPU Gone Wrong

    10 Comments

    By Maya Posch | September 4, 2026

    Delidding a CPU involves removing the integrated heat spreader (IHS) that’s put over the bare die and the substrate that it is mounted on. The reason for this is usually …read more

  • Hackaday Podcast Ep 385: 3D Printers With Lasers, Wicked RAM Prices, And Reverse Polish Notation

    1 Comment

    By Jenny List | September 4, 2026

    As the calendar turns a leaf into September, Elliot Williams is joined by Jenny List for our weekly look at all things Hackaday. In the news, our retrocomputing competition is …read more

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  • From A Ten-Line Script To A Real Utility With Codex

    66 Comments
  • “I’m Not Dead Yet!” Reverse Polish Notation Calculators You Can Still Buy

    69 Comments
  • Hackaday Europe 2026: Playstation 4 To Psychometer

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  • What’s Mu Metal?

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  • Australia’s Nationwide Phone Outage Was An Embarrassing Failure

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  • Hackaday Podcast Ep 385: 3D Printers With Lasers, Wicked RAM Prices, And Reverse Polish Notation

    1 Comment
  • This Week In Security: Baked-in Malware, Freezers Not Freezing, Zoom Snoops Clipboards, And AI Makes Things Worse, Faster

    13 Comments
  • Hackaday Europe 2026: Fluid Kernels And Optimizing C++ For MCUs

    6 Comments
  • FLOSS Weekly Episode 880: The Two Wolves

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  • PETG: The PLA Filament Alternative That Just Works

    47 Comments
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PowerPD — ESP32 USB-C PD/PPS Bench Power Supply

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PCB Led display wifi clock

PCB Led display wifi clock

by Ledboy
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STEbus 486DX PC AT Compatible Board

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If you missed it

  • From A Ten-Line Script To A Real Utility With Codex

    66 Comments
  • “I’m Not Dead Yet!” Reverse Polish Notation Calculators You Can Still Buy

    69 Comments
  • Hackaday Europe 2026: Playstation 4 To Psychometer

    No comments
  • What’s Mu Metal?

    25 Comments
  • Australia’s Nationwide Phone Outage Was An Embarrassing Failure

    28 Comments
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  • Hackaday Podcast Ep 385: 3D Printers With Lasers, Wicked RAM Prices, And Reverse Polish Notation

    1 Comment
  • This Week In Security: Baked-in Malware, Freezers Not Freezing, Zoom Snoops Clipboards, And AI Makes Things Worse, Faster

    13 Comments
  • Hackaday Europe 2026: Fluid Kernels And Optimizing C++ For MCUs

    6 Comments
  • FLOSS Weekly Episode 880: The Two Wolves

    1 Comment
  • PETG: The PLA Filament Alternative That Just Works

    47 Comments
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Recent comments

  • deL on Making A Pole Balance Itself With Propellers
  • George Catlin on COSMAC Elf Turns 50
  • Mr Nobody on Free Your Rotary Telephone From Its Wire
  • Mr Nobody on Free Your Rotary Telephone From Its Wire
  • Tom G on COSMAC Elf Turns 50
  • ian 42 on Fixing An Expensive Seagate LaCie Hard Drive Array
  • Antti Kangasvieri on Tube Launch Boosts Rocket’s Performance
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Now on Hackaday.io

  • Jeroen Brinkman wrote a comment on 8-bit Workbench ED: hands-on with number systems.
  • Akshay Jain has added details to Long-Range Appliance Control from Smartphone Using.
  • Akshay Jain has updated the project titled Long-Range Appliance Control from Smartphone Using.
  • Nijssen liked NES Radar | 8-Bit Flight Tracking.
  • Levi has updated components for the project titled NES Radar | 8-Bit Flight Tracking.
  • Rahul shah has updated details to Pipelined RV32IM RISC-V Core RTL to GDS on Sky130.
  • Rahul shah has updated the project titled Pipelined RV32IM RISC-V Core RTL to GDS on Sky130.
  • Ken Yap wrote a comment on project log what is a project log entry? also sunk cost..
  • jaime has updated details to Meatloaf.
  • jaime has updated the project titled Meatloaf.
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